Finding the Fourth Proportional to 27,100,860.24, 37,399,935.96 and 15,339,193.68
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Solution
The fourth proportional to 27,100,860.24, 37,399,935.96 and 15,339,193.68 is: 21,168,511.12
Step by Step Solution
- Step 1: Write the proportion equation
27,100,860.24 : 37,399,935.96 = 15,339,193.68 : x - Step 2: Convert to fraction form
27,100,860.24/37,399,935.96 = 15,339,193.68/x - Step 3: Cross multiply
27,100,860.24x = 37,399,935.96 × 15,339,193.68 - Step 4: Simplify right side
27,100,860.24x = 573,684,861,310,036.75 - Step 5: Solve for x
x = 573,684,861,310,036.75/27,100,860.24 - Step 6: Final answer
x = 21,168,511.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.